Home / 5,269.09-7,271.43-2,911.18

Finding the Fourth Proportional to 5,269.09, 7,271.43 and 2,911.18

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Solution

The fourth proportional to 5,269.09, 7,271.43 and 2,911.18 is: 4,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.09 : 7,271.43 = 2,911.18 : x
  2. Step 2: Convert to fraction form
    5,269.09/7,271.43 = 2,911.18/x
  3. Step 3: Cross multiply
    5,269.09x = 7,271.43 × 2,911.18
  4. Step 4: Simplify right side
    5,269.09x = 21,168,405.23
  5. Step 5: Solve for x
    x = 21,168,405.23/5,269.09
  6. Step 6: Final answer
    x = 4,017.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.